Get the size of folder and Get Number Of Files In Folder in SharePoint

1. This method is used to get the size of folder in SharePoint

        private static long GetFolderSize(SPFolder folder)
        {
            long folderSize = 0;
            foreach (SPFile file in folder.Files)
            {
                folderSize += file.Length;
            }
            foreach (SPFolder subfolder in folder.SubFolders)
            {
                folderSize += GetFolderSize(subfolder);
            }
            return folderSize;
        }

2. This method is used to Get Number Of Files In Folder in SharePoint

        private static int GetNumberOfFilesInFolder(SPFolder folder)
        {
            int folderNum = 0;
            foreach (SPFile file in folder.Files)
            {
                folderNum += 1;
            }
            foreach (SPFolder subfolder in folder.SubFolders)
            {
                folderNum += GetNumberOfFilesInFolder(subfolder);
            }
            return folderNum;
        }